From: Kirk Haines <khaines@...>
Date: 2006-04-27T22:20:23+09:00
Subject: Re: Day number delta

On Thursday 27 April 2006 6:30 am, Lindsay Boyd wrote:
> How can I calculate the number of days between two Date objects?. This
> is easy enough with Time objects using the epoch seconds method tv_sec.
> Is there something similar for Dates?

delta = a - b

Just subtract one from the other.

irb(main):001:0> require 'date'
=> true
irb(main):002:0> a = Date.new(2006,4,28)
=> #<Date: 4907707/2,0,2299161>
irb(main):003:0> b = Date.new(2005,3,17)
=> #<Date: 4906893/2,0,2299161>
irb(main):004:0> c = a - b
=> Rational(407, 1)
irb(main):005:0> c.to_i
=> 407


Kirk Haines